Bump i18next-parser from 5.4.0 to 8.7.0 in /services/idp

Bumps [i18next-parser](https://github.com/i18next/i18next-parser) from 5.4.0 to 8.7.0.
- [Release notes](https://github.com/i18next/i18next-parser/releases)
- [Changelog](https://github.com/i18next/i18next-parser/blob/master/CHANGELOG.md)
- [Commits](https://github.com/i18next/i18next-parser/compare/5.4.0...8.7.0)

---
updated-dependencies:
- dependency-name: i18next-parser
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

services/idp/package.json

@@ -132,7 +132,7 @@
     "file-loader": "6.1.1",
     "html-webpack-plugin": "4.5.0",
     "i18next-conv": "^12.1.0",
-    "i18next-parser": "^5.4.0",
+    "i18next-parser": "^8.7.0",
     "jest": "26.6.0",
     "license-checker-rseidelsohn": "^3.1.0",
     "mini-css-extract-plugin": "0.11.3",